Enlarging Lenses - These are typically used for standard photograpic enlargement purposes, but also can be used for CCD imaging applications. These all come AR coated and with the standard M39 x 1p threaded mount.
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Relay Lenses - Are used to transfer an image and are normally for 1:1 magnification, but they can also be used at .5X and 2X magnifications. Typical applications include film to CCD transfer, or fiber optics image relay and night-vision systems.
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